%0 Journal Article %A Jeremy Lovejoy %A Robert Osburn %T $M_2$-rank differences for overpartitions %J Acta Arithmetica %D 2010 %P 193-212 %V 144 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa144-2-8/ %R 10.4064/aa144-2-8 %G en %F 10_4064_aa144_2_8